 /*******************************************************************************
  * Copyright (c) 2000, 2005 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/

 package org.eclipse.ui.contexts;

 /**
  * An instance of this interface can be used by clients to receive notification
  * of changes to one or more instances of <code>IContext</code>.
  * <p>
  * This interface may be implemented by clients.
  * </p>
  *
  * @since 3.0
  * @see org.eclipse.ui.contexts.IContext#addContextListener(IContextListener)
  * @see org.eclipse.ui.contexts.IContext#removeContextListener(IContextListener)
  * @deprecated Please use the "org.eclipse.core.commands" plug-in instead.
  * @see org.eclipse.core.commands.contexts.IContextListener
  */
 public interface IContextListener {

     /**
      * Notifies that one or more properties of an instance of
      * <code>IContext</code> have changed. Specific details are described in
      * the <code>ContextEvent</code>.
      *
      * @param contextEvent
      * the context event. Guaranteed not to be <code>null</code>.
      */
     void contextChanged(ContextEvent contextEvent);
 }

